25320555012251 has 8 divisors (see below), whose sum is σ = 25403848098624. Its totient is φ = 25237379656840.

The previous prime is 25320555012227. The next prime is 25320555012253. The reversal of 25320555012251 is 15221055502352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25320555012251 - 2⁶ = 25320555012187 is a prime.

It is a super-2 number, since 2×25320555012251² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25320555012253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29001881 + ... + 29862186.

It is an arithmetic number, because the mean of its divisors is an integer number (3175481012328).

Almost surely, 2^{25320555012251} is an apocalyptic number.

25320555012251 is a deficient number, since it is larger than the sum of its proper divisors (83293086373).

25320555012251 is an equidigital number, since it uses as much as digits as its factorization.

25320555012251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58865481.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 25320555012251 in words is "twenty-five trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred fifty-one".